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With the changes in the education system for integrating 21st century skills, robotics and coding education have become important. LEGO sets are one of the basic materials to be used in robotic education. WeDo 2.0 robotic set aims to help students learn interdisciplinary information. Although robotics and coding education has a very important role today, there are only few measurement tools giving information about the achievement level. The purpose of this study is to develop an achievement test whose validity and reliability is provided for science lesson within robotics and coding education by using WeDo 2.0 set. The test was applied to 111 students studying in 6th, 7th and 8th grades. The test which initially consisted of 35 items was evaluated in terms of its appropriateness to the field and students’ levels. However, as a result of expert opinion to ensure the validity and comprehensibility of the test four items were excluded from the test. Item analysis was performed on the questions. The difficulty values of the items in the final form of the test were between .17 and .91. The mean difficulty index of the test was found as 0.66. In terms of the reliability analysis of the test, KR-20 value was found to be .889. After the analysis, the test was structured as 24 item. As a consequence, the test was considered as a valid and reliable tool. An achievement test with high validity and reliability was prepared in order to measure target gains for science lesson within WeDo 2.0 robotic set.

Robotics, coding, achievement test, science education, test development.


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